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Based on the similarity theory,two degrees of freedom flight test platform was designed to simulate the helicopter,then the platform was taken as the research object,and the Lagrange-Euler equation and the equivalent moment method were used to derive the system dynamics model,and the physical parameter was estimated.

基于相似性理论设计了具有两自由度的直升机飞行模拟试验平台，以该试验平台为研究对象，利用拉格朗日-欧拉方程与等效力矩相结合的方法推导出系统的动力学模型，预估了试验平台的物理参数；通过试验获得在固定总距角情况下直升机的升力随转速的变化关系。

In Chapter 4, using Newton series, we obtain a divided differences formula of composite functions, and give a matrix equivalent form of these composite functions. Moreover, we derive a divided differences for the reciprocal series.

第四章利用形式Newton级数得到了复合函数的差商公式，并给出复合函数的一个矩阵等价形式，从而得到一个反级数的差商公式。

Furthermore, it has a special lateral panel sidebar, to which it is possible to derive useful information, for example RSS- channels, weather report etcetera.

此外，它具有特殊的那种横向小组，它能从有用信息，比如转播通道、天气报告等等。

Because elementary school Chinese did not learn from good examples, phoneticize is very disappointing, force derive from already learned 5, carry etymon on the back every day, such coming down minutely can make 30 many words.

由于小学语文没学好，拼音好差劲，逼得自已学五笔，天天背字根，这样下来每分钟可以打30多个字了。

Applying this concept of generalized nuclear cones, we derive another existence theorem of efficient points.

运用这一概念的广义结果，我们得出的另一个存在性定理的有效点。

Firstly, the natural frequencies and normal mode shapes of the fluid-conveying pipe with zero fluid velocity (i.e. U=0) were determined with the transfer matrix method. Next, these natural frequencies and normal mode shapes were used to derive the equation of motion for the fluid-conveying pipe with fluid velocity U.neq.0 by using the expansion theorem. Finally, the free and forced vibration responses of the pipe with flowing fluid were obtained by means of the Jacobi method and the Newmark direct integration method.

首先吾人使用转移矩阵法来求取一流速等於零(即U=0)、跨距数为N之流体输送管的自然频率及其所对应之正规化振态，然后利用振态重叠法原理来推导流速不等於零(即U.neq.0)时，整个流体输送管在外力作用下的运动方程式，最后再以Jacobi法及Newmark直接积分法来计算该水平流体输送管的自然频率及强迫振动反应。

The properties of dynamic processes driven by knowledge seem to ultimately derive from the scarcity-defying expansiveness or non-rivalrous aspect of knowledge.

由知识驱动的动态过程的特性非常象继承自反稀缺的可扩展或知识的非竞争方面。

In this thesis, starting from fundamental principle of the Weyl correspondence, we derive explicit form of the Wigner function in noncommunicative phase space.

我们在本文中从Weyl对应的基本原理出发，引入空间的非对易性，得到了不同于以往的形式。

Since all javascript syntax functions derive themselves from the base-class function, it is unnecessary to provide an explicit reference to the self-object: from anywhere within an ECMA-style script, you can obtain a reference to the self-object through the keyword "this", which is the same as the "me" keyword, but with minor differences.

因为所有的javascript语法中函数都是从基础类函数派生而来，它们不必显示的声明指向自己的对象：在ECMA风格脚本的任何地方，你都可以通过关键字"this"获得指向当前对象自己的引用，就象关键字"me"的功能一样，只是稍有不同。

Because the battery energy function has the exponential form, it is difficult to derive an analytic solution.

由于能量函数具有指数形式，很难获得解析解最小化能耗函数。

World War II: Battle of Saipan - Americans take Saipan.

1944年的今天，美国在塞班战役中拿下塞班岛。

When the scorner, the rejecter of truth, has become presumptuous; when the routine of work in the various money-making lines is carried on without regard to principle; when the student is eagerly seeking knowledge of everything but his Bible, Christ comes as a thief.{DA 635.3

当讥诮和拒绝真理的人，到了任意妄为时，当追求财利者罔顾按道义经营谋利时，当学人正在兢兢业业地研究各种知识，而单把圣经丢在一边时，基督要像贼一样来临。